.CodeMirror-hints {
    position: absolute;
    z-index: 999999;
    overflow: hidden;
    list-style: none;

    margin: 0;
    padding: 8px 2px;

    -webkit-box-shadow: 2px 3px 5px rgba(0,0,0,.2);
    -moz-box-shadow: 2px 3px 5px rgba(0,0,0,.2);
    box-shadow: 2px 3px 5px rgba(0,0,0,.2);
    border-radius: 3px;
    border: 1px solid rgb(57,58,63);

    background: rgb(43,45,48);
    font-size: 90%;
    font-family: "Courier New", "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif !important;

    overflow-y: auto;
    box-sizing: border-box;
    line-height: 1.5;
}
.CodeMirror-hint {
    margin: 0;
    padding: 2px 4px;
    border-radius: 2px;
    white-space: pre;
    color: #d5d5d5;
    cursor: pointer;
    font-size: 16px;
    line-height: 1.5;
}
li.CodeMirror-hint-active {
    background: rgb(46,67,110);
}
